Across
- 3. the planets that are hot and made of rock
- 4. irregular shape object that orbits the sun
- 8. Earth's movement that causes day and night
- 9. the planets that are cold and made of gas
Down
- 1. the star at the center of our solar system
- 2. the force that keeps the moon orbiting earth
- 5. the path that Earth revolves on around the sun
- 6. Earth's movement that causes the 4 seasons
- 7. oject that is made of ice and dust that appears to have a tail as it passes the sun